135,980
135,980 is a composite number, even.
135,980 (one hundred thirty-five thousand nine hundred eighty) is an even 6-digit number. It is a composite number with 24 divisors, and factors as 2² × 5 × 13 × 523. Its proper divisors sum to 172,132, more than the number itself, making it an abundant number. Written other ways, in hexadecimal, 0x2132C.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 26
- Digit product
- 0
- Digital root
- 8
- Palindrome
- No
- Bit width
- 18 bits
- Reversed
- 89,531
- Square (n²)
- 18,490,560,400
- Cube (n³)
- 2,514,346,403,192,000
- Divisor count
- 24
- σ(n) — sum of divisors
- 308,112
- φ(n) — Euler's totient
- 50,112
- Sum of prime factors
- 545
Primality
Prime factorization: 2 2 × 5 × 13 × 523
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√135,980 = [368; (1, 3, 13, 6, 3, 1, 1, 5, 1, 1, 8, 1, 3, 1, 6, 3, 2, 1, 1, 1, 1, 1, 2, 1, …)]
Period length 60 — the block in parentheses repeats forever.
Representations
- In words
- one hundred thirty-five thousand nine hundred eighty
- Ordinal
- 135980th
- Binary
- 100001001100101100
- Octal
- 411454
- Hexadecimal
- 0x2132C
- Base64
- AhMs
- One's complement
- 4,294,831,315 (32-bit)
- Scientific notation
- 1.3598 × 10⁵
- As a duration
- 135,980 s = 1 day, 13 hours, 46 minutes, 20 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓂍𓆼𓆼𓆼𓆼𓆼𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓎆
- Greek (Milesian)
- ͵ρλεϡπʹ
- Mayan (base 20)
- 𝋰·𝋳·𝋳·𝋠
- Chinese
- 一十三萬五千九百八十
- Chinese (financial)
- 壹拾參萬伍仟玖佰捌拾
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 135980, here are decompositions:
- 3 + 135977 = 135980
- 43 + 135937 = 135980
- 67 + 135913 = 135980
- 139 + 135841 = 135980
- 151 + 135829 = 135980
- 181 + 135799 = 135980
- 193 + 135787 = 135980
- 199 + 135781 = 135980
Showing the first eight; more decompositions exist.
UTF-8 encoding: F0 A1 8C AC (4 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.2.19.44.
- Address
- 0.2.19.44
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.2.19.44
Unspecified address (0.0.0.0/8) — "this network" placeholder.
This number falls in the range of US utility patent numbers. If it's a patent, it would be issued as US 135,980 and was likely granted around 1872.
Patent numbers below 100,000 are excluded as too ambiguous; modern numbering currently reaches roughly 12.5 million.
The digit sequence 135980 first appears in π at position 947,803 of the decimal expansion (the 947,803ordinal-suffix:rd digit after the integer 3).
Search range: the first 1,000,000 fractional digits of π. Any 6-digit-or-shorter string is virtually guaranteed to appear in there — the more interesting signal is the position.
Related reading
- Mayan numerals — Vigesimal dots-and-bars with a shell zero — one of the earliest true zeros.